(PECL gupnp >= 0.1.0)
gupnp_service_proxy_add_notify — Sets up callback for variable change notification
$proxy
, string $value
, int $type
, mixed $callback
[, mixed $arg
] )Sets up callback to be called whenever a change notification for variable is recieved.
proxy
A service proxy identifier.
value
The variable to add notification for.
type
The type of the variable. Type can be one of the following values:
GUPNP_TYPE_BOOLEAN
GUPNP_TYPE_INT
GUPNP_TYPE_LONG
GUPNP_TYPE_DOUBLE
GUPNP_TYPE_FLOAT
GUPNP_TYPE_STRING
callback
The callback to call when variable changes. Typically, callback function
takes on three parameters. The variable
parameter being the first, value parameter
being the second, and the arg is third.
arg
User data for callback.
Returns TRUE on success or FALSE on failure.